Module: Valvat::Utils

Defined in:
lib/valvat/utils.rb

Constant Summary collapse

EU_MEMBER_STATES = 
%w[AT BE BG CY CZ DE DK EE ES FI FR GR HR HU IE IT LT LU LV MT NL PL PT RO SE SI SK].freeze
SUPPORTED_STATES = 
EU_MEMBER_STATES + %w[GB]
COUNTRY_PATTERN = 
/\A([A-Z]{2})(.+)\Z/.freeze
NORMALIZE_PATTERN = 
/([[:punct:][:cntrl:]]|[[:space:]])+/.freeze
CONVERT_VAT_TO_ISO_COUNTRY = 
{ 'EL' => 'GR', 'XI' => 'GB' }.freeze
CONVERT_ISO_TO_VAT_COUNTRY = 
CONVERT_VAT_TO_ISO_COUNTRY.invert.freeze

Class Method Summary collapse

Class Method Details

.country_is_supported?(iso_country) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/valvat/utils.rb', line 33

def self.country_is_supported?(iso_country)
  SUPPORTED_STATES.include?(iso_country)
end

.deep_merge(original_hash, hash_to_merge) ⇒ Object 



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# File 'lib/valvat/utils.rb', line 49

def self.deep_merge(original_hash, hash_to_merge)
  merger = proc { |_key, v1, v2| v1.is_a?(Hash) && v2.is_a?(Hash) ? v1.merge(v2, &merger) : v2 }
  original_hash.merge(hash_to_merge, &merger)
end

.deep_symbolize_keys(value) ⇒ Object 



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# File 'lib/valvat/utils.rb', line 37

def self.deep_symbolize_keys(value)
  value = value.transform_keys do |key|
    key.to_sym
  rescue StandardError
    key
  end

  value.transform_values! do |val|
    val.is_a?(Hash) ? deep_symbolize_keys(val) : val
  end
end

.iso_country_to_vat_country(iso_country) ⇒ Object 



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# File 'lib/valvat/utils.rb', line 29

def self.iso_country_to_vat_country(iso_country)
  CONVERT_ISO_TO_VAT_COUNTRY[iso_country] || iso_country
end

.normalize(vat) ⇒ Object 



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# File 'lib/valvat/utils.rb', line 21

def self.normalize(vat)
  vat.to_s.upcase.gsub(NORMALIZE_PATTERN, '')
end

.split(vat) ⇒ Object 



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# File 'lib/valvat/utils.rb', line 14

def self.split(vat)
  COUNTRY_PATTERN =~ vat
  result = [Regexp.last_match(1), Regexp.last_match(2)]
  iso_country = vat_country_to_iso_country(result[0])
  country_is_supported?(iso_country) ? result : [nil, nil]
end

.vat_country_to_iso_country(vat_country) ⇒ Object 



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# File 'lib/valvat/utils.rb', line 25

def self.vat_country_to_iso_country(vat_country)
  CONVERT_VAT_TO_ISO_COUNTRY[vat_country] || vat_country
end